{
  "$type": "site.standard.document",
  "description": "The brake amplifier (10) has an input element (12) for control of a valve device (14) by an input force (F) for selective connection of a working chamber (18) to the atmosphere or a reduced pressure chamber (20), separated from the working chamber by a piston (24, for delivery of a brake pressure…",
  "path": "/patents/1088692",
  "publishedAt": "2004-03-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/57",
    "FTEAUTOMOTIVE GMBH & CO KG [DE]"
  ],
  "textContent": "The brake amplifier (10) has an input element (12) for control of a valve device (14) by an input force (F) for selective connection of a working chamber (18) to the atmosphere or a reduced pressure chamber (20), separated from the working chamber by a piston (24, for delivery of a brake pressure via an output element (26) coupled to the master cylinder. A reaction force dependent on the braking pressure is supplied to the input element by an elastomer reaction element (28) of the piston, a volume sensor (32) associated with the output element acting on the reaction element for altering its effective surface ratio.",
  "title": "Vacuum brake booster for an energy-assisted braking system for motor vehicles"
}